Home / 426,141.92-639,498.24-176,824.16

Finding the Fourth Proportional to 426,141.92, 639,498.24 and 176,824.16

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Solution

The fourth proportional to 426,141.92, 639,498.24 and 176,824.16 is: 265,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,141.92 : 639,498.24 = 176,824.16 : x
  2. Step 2: Convert to fraction form
    426,141.92/639,498.24 = 176,824.16/x
  3. Step 3: Cross multiply
    426,141.92x = 639,498.24 × 176,824.16
  4. Step 4: Simplify right side
    426,141.92x = 113,078,739,109.48
  5. Step 5: Solve for x
    x = 113,078,739,109.48/426,141.92
  6. Step 6: Final answer
    x = 265,354.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.